{
  "manageEntity": {
    "action": "Repost",
    "entityId": "406504",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xca85356b38edb811d108c787d31baf43e39864da5bd23568bc962064ffb87e0a",
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    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}